View the step-by-step solution to:

Seven students took a statistics test and a technology test with the following results:

Seven students took a statistics test and a technology test with the following results:
Statistics Technology
Student Raw Score (X) Standard Score (Z) Raw Score (X) Standard Score (Z)
Jennifer 50 +1.50 50 +1.0
Brian 49 +1.00 48 +0.50
Jay 47 0.0 52 +1.50
Ross 48 +0.50 40 -1.50
Marie 44 -1.50 44 -0.50
Charles 45 -1.00 42 -1.00
Christine 46 -0.50 46 0.00
a. Calculate the mean, median, and mode for each test.
b. Calculate the standard deviation.
c. Create a scatterplot diagram and estimate the correlation coefficient.
d. Briefly describe the relationship.

Recently Asked Questions

Why Join Course Hero?

Course Hero has all the homework and study help you need to succeed! We’ve got course-specific notes, study guides, and practice tests along with expert tutors.

-

Educational Resources
  • -

    Study Documents

    Find the best study resources around, tagged to your specific courses. Share your own to gain free Course Hero access.

    Browse Documents
  • -

    Question & Answers

    Get one-on-one homework help from our expert tutors—available online 24/7. Ask your own questions or browse existing Q&A threads. Satisfaction guaranteed!

    Ask a Question